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Originally Posted by goblue
Engine offerings for the new SUVs include:
4.8L iron block (RPO LY2), rated at 290 horsepower (216 kw)*
5.3L iron block (RPO LY5) with Displacement On Demand technology, rated at 320 horsepower (238 kw)* (including E85-capable version – RPO LMG)
5.3L aluminum block (RPO LC9) with Displacement On Demand technology and E85 capability, rated at 320 horsepower (238 kw)*
6.0L iron block (LY6) heavy-duty engine with variable valve timing, rated at 350 horsepower (260 kw)*
6.0L aluminum block (L76) with Displacement On Demand technology and variable valve timing, rated at 355 horsepower (264 kw)*
6.2L aluminum block (L92) with variable valve timing, capable of 380 and 400 horsepower (283 kw to 298 kw)*
A new Hydra-Matic 6L80 six-speed automatic transmission is matched with the 6.2L engine.
This means same old 4 speeds with the rest. Big dissapointment. GM's bean counters left the interior alone and swarmed over powertrain. I was really hoping for 6 speeds on everything except the 4.8L The media will not overlook GM's obsession with 4 speeds. GM needed to knock this out of the park - the interior looks like a homerun, powertrain is a double at best.
James - you suck.
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whats with the iron/alumimum choices?